diff --git a/scripts/m11b4_latency_report.json b/scripts/m11b4_latency_report.json
index 8f099d4..e4019c1 100644
--- a/scripts/m11b4_latency_report.json
+++ b/scripts/m11b4_latency_report.json
@@ -4,14 +4,14 @@
   "lost": 0,
   "via_broadcast": 200,
   "via_polling_fallback": 0,
-  "p50_ms": 0.651,
-  "p90_ms": 0.7,
-  "p99_ms": 0.752,
-  "max_ms": 0.934,
+  "p50_ms": 0.712,
+  "p90_ms": 0.807,
+  "p99_ms": 1.234,
+  "max_ms": 1.622,
   "segment_p99_ms": {
-    "write_commit": 0.735,
-    "broadcast_emit": 0.044,
-    "consume_wait": 0.018
+    "write_commit": 1.154,
+    "broadcast_emit": 0.099,
+    "consume_wait": 0.041
   },
   "bottleneck_segment": "write_commit",
   "slo_ms": 1000.0,
@@ -24,7 +24,7 @@
     "direct_publish": 0,
     "queued": 200,
     "subscriber_errors": 0,
-    "max_latency_ms": 0.14,
+    "max_latency_ms": 0.677,
     "in_flight": 0,
     "latency_samples": 200,
     "last_error": null,
@@ -32,2011 +32,2011 @@
     "channels": [
       "in_process"
     ],
-    "p50_latency_ms": 0.077,
-    "p99_latency_ms": 0.101
+    "p50_latency_ms": 0.091,
+    "p99_latency_ms": 0.157
   },
   "samples": [
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-      "e2e_ms": 0.934,
+      "event_id": "34f8cde7dd9a4c0887dee3a697fa2928",
+      "t_write_ms": 0.903,
+      "t_broadcast_emit_ms": 0.057,
+      "t_consume_ms": 0.028,
+      "e2e_ms": 0.93,
       "via": "broadcast",
       "perceived": true
     },
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-      "t_broadcast_emit_ms": 0.038,
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+      "t_write_ms": 0.653,
+      "t_broadcast_emit_ms": 0.043,
+      "t_consume_ms": 0.019,
+      "e2e_ms": 0.672,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "19239ed2f664434cafffd6d053bac474",
+      "t_write_ms": 0.678,
+      "t_broadcast_emit_ms": 0.051,
+      "t_consume_ms": 0.024,
+      "e2e_ms": 0.702,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "bb2933936e304804ad7a1af2eff8378a",
+      "t_write_ms": 0.704,
+      "t_broadcast_emit_ms": 0.046,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.724,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "8e8c9ee9d3c14f748e68ac7e0575a218",
+      "t_write_ms": 0.703,
+      "t_broadcast_emit_ms": 0.05,
+      "t_consume_ms": 0.022,
+      "e2e_ms": 0.725,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "7a0e557882254467aff66c31bf92d91e",
+      "t_write_ms": 0.691,
+      "t_broadcast_emit_ms": 0.045,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.711,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "e92f72eca1854e4bb37bf0c83d44dc73",
+      "t_write_ms": 0.66,
+      "t_broadcast_emit_ms": 0.046,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.681,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "cae6c8eabec24631aade68d8ce655f9b",
+      "t_write_ms": 0.668,
+      "t_broadcast_emit_ms": 0.047,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.688,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "0db661e2bf2d4c2cbfe0e0e53ae6363c",
+      "t_write_ms": 0.757,
+      "t_broadcast_emit_ms": 0.051,
+      "t_consume_ms": 0.022,
+      "e2e_ms": 0.779,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "e8d48765d27d4ccfa22918e3f5ee378c",
+      "t_write_ms": 0.721,
+      "t_broadcast_emit_ms": 0.049,
+      "t_consume_ms": 0.022,
+      "e2e_ms": 0.743,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "da142c8a8a18427588e445b7cd2097cd",
+      "t_write_ms": 0.706,
+      "t_broadcast_emit_ms": 0.046,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.727,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "0e1135044c0b4f8ea24f3c1cf37fa23d",
+      "t_write_ms": 0.729,
+      "t_broadcast_emit_ms": 0.045,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.75,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "f61831fdb3a049eca28c0b4fcf35a333",
+      "t_write_ms": 0.666,
+      "t_broadcast_emit_ms": 0.044,
+      "t_consume_ms": 0.019,
+      "e2e_ms": 0.685,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "69d5d2123cd9433d9a18980f59949403",
+      "t_write_ms": 0.69,
+      "t_broadcast_emit_ms": 0.05,
+      "t_consume_ms": 0.024,
+      "e2e_ms": 0.714,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "5a2af7a6254f4a97afbc5db9ee635290",
+      "t_write_ms": 0.748,
+      "t_broadcast_emit_ms": 0.045,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.768,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "413a5714227b47faad063094e6041f34",
+      "t_write_ms": 0.747,
+      "t_broadcast_emit_ms": 0.049,
+      "t_consume_ms": 0.022,
+      "e2e_ms": 0.769,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "3035938766074e3ead844a6fa4b939c1",
       "t_write_ms": 0.686,
-      "t_broadcast_emit_ms": 0.032,
-      "t_consume_ms": 0.015,
-      "e2e_ms": 0.7,
+      "t_broadcast_emit_ms": 0.046,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.707,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "f9da6fc22ab345f4acdb8184db084585",
+      "t_write_ms": 0.678,
+      "t_broadcast_emit_ms": 0.051,
+      "t_consume_ms": 0.024,
+      "e2e_ms": 0.701,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "8b3a8de598264215b184277c2982863f",
+      "t_write_ms": 0.689,
+      "t_broadcast_emit_ms": 0.047,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.71,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "329b58f03ae2420a86f5ac17c0b1e689",
+      "t_write_ms": 0.717,
+      "t_broadcast_emit_ms": 0.049,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.738,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "858ee26f0f5e4b20ad3b8757c19dc0b3",
+      "t_write_ms": 0.726,
+      "t_broadcast_emit_ms": 0.047,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.746,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "fbb931b92c454524a5027cf6a0b19abf",
+      "t_write_ms": 0.677,
+      "t_broadcast_emit_ms": 0.047,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.697,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "62e24ba336eb44c9bc569bb75caa5c89",
+      "t_write_ms": 0.726,
+      "t_broadcast_emit_ms": 0.045,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.746,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "4dcd65af011e4d1c8e7326d18663de97",
+      "t_write_ms": 0.719,
+      "t_broadcast_emit_ms": 0.064,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.739,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "99f5c8c5cb3941608a027c204e0f6fb3",
+      "t_write_ms": 0.758,
+      "t_broadcast_emit_ms": 0.046,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.779,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "5193f11d015c477a86ce6e697f4ae3c9",
+      "t_write_ms": 0.787,
+      "t_broadcast_emit_ms": 0.049,
+      "t_consume_ms": 0.022,
+      "e2e_ms": 0.809,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "97aef06039674907ad6c7d4c05e902c2",
+      "t_write_ms": 0.734,
+      "t_broadcast_emit_ms": 0.046,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.754,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "cb7424b6c5554a4eb88afcdb2a18843a",
+      "t_write_ms": 0.661,
+      "t_broadcast_emit_ms": 0.045,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.681,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "f45c09aba96748b4ae5edca7330120fb",
+      "t_write_ms": 0.687,
+      "t_broadcast_emit_ms": 0.044,
+      "t_consume_ms": 0.019,
+      "e2e_ms": 0.706,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "88556fec7d0b4bfd8ec2c990abca1783",
+      "t_write_ms": 0.679,
+      "t_broadcast_emit_ms": 0.047,
+      "t_consume_ms": 0.019,
+      "e2e_ms": 0.698,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "041d58fed42e45db95681465dcff3655",
+      "t_write_ms": 0.738,
+      "t_broadcast_emit_ms": 0.046,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.758,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "d33c297833d947fcb177721d88058c12",
+      "t_write_ms": 0.693,
+      "t_broadcast_emit_ms": 0.049,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.713,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "689b023c132247248fd69202c6ad7d9b",
+      "t_write_ms": 0.67,
+      "t_broadcast_emit_ms": 0.048,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.69,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "cbfe7189f4ab4a42ac44fd7fe1f35dc0",
+      "t_write_ms": 0.672,
+      "t_broadcast_emit_ms": 0.048,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.693,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "2c86089bcce6416183ec77b268d9fe83",
+      "t_write_ms": 0.694,
+      "t_broadcast_emit_ms": 0.048,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.714,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "40c7eacf7ab04aa4993e76e17cf80979",
+      "t_write_ms": 0.653,
+      "t_broadcast_emit_ms": 0.044,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.672,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "9b44fab1e1c24596adccfa514f92f07e",
+      "t_write_ms": 0.77,
+      "t_broadcast_emit_ms": 0.048,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.791,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "5a2c92684b024f0ca3b60342bfd5192b",
+      "t_write_ms": 0.66,
+      "t_broadcast_emit_ms": 0.046,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.68,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "b89d937ef869496da09ec998634bba78",
+      "t_write_ms": 0.66,
+      "t_broadcast_emit_ms": 0.049,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.681,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "e6533943ef7447819f03766de1b8cb96",
+      "t_write_ms": 0.726,
+      "t_broadcast_emit_ms": 0.048,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.747,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "8c80e25bb18d4b7aa68195f8fcf16dad",
+      "t_write_ms": 0.671,
+      "t_broadcast_emit_ms": 0.048,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.692,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "bc69607697504f33ad67c39c90941f23",
+      "t_write_ms": 0.72,
+      "t_broadcast_emit_ms": 0.048,
+      "t_consume_ms": 0.021,
+      "e2e_ms": 0.74,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "50a1f23bf78b47cfb7370532256264dc",
+      "t_write_ms": 0.66,
+      "t_broadcast_emit_ms": 0.046,
+      "t_consume_ms": 0.019,
+      "e2e_ms": 0.679,
+      "via": "broadcast",
+      "perceived": true
+    },
+    {
+      "scene_id": "sc_bench",
+      "event_id": "0cfd20eb966748b9a977dd988420d851",
+      "t_write_ms": 0.684,
+      "t_broadcast_emit_ms": 0.047,
+      "t_consume_ms": 0.02,
+      "e2e_ms": 0.704,
       "via": "broadcast",
       "perceived": true
     }
   ],
   "verdict": "PASS",
-  "run_at": "2026-09-22 14:45:43 +0800"
+  "run_at": "2026-09-22 15:28:53 +0800"
 }
\ No newline at end of file
diff --git a/scripts/m11b4_selftest_output.txt b/scripts/m11b4_selftest_output.txt
index 5e1a480..ec503d4 100644
--- a/scripts/m11b4_selftest_output.txt
+++ b/scripts/m11b4_selftest_output.txt
@@ -1,5 +1,5 @@
 # M11b-4 自测留证
-# 生成时间: 2026-09-22 14:45:39 +0800
+# 生成时间: 2026-09-22 15:28:49 +0800
 # 命令: cd modules/world_sync && .venv/bin/python scripts/m11b4_selftest.py
 # Python: 3.10.12
 
@@ -7,21 +7,21 @@
 AC1 广播丢失 → 3s 轮询补漏（真实 3s 节奏）
 ==============================================================================
   interval=3.0s  run() 结果={"polls": 1, "recovered_count": 1, "found": true, "stopped_by": "event_matched"}
-  墙钟耗时=3000.6ms（含 1 次真实 3s sleep）  on_recovered 回调次数=1
-  兜底计数器={"polls": 1, "queries": 1, "recovered": 1, "duplicated": 0, "missed_by_broadcast": 1, "timeouts": 0, "stops_on_notify": 0, "scenes": ["sc_ac1_1790059539"], "interval": 3.0, "timeout": 10.0}
+  墙钟耗时=3000.8ms（含 1 次真实 3s sleep）  on_recovered 回调次数=1
+  兜底计数器={"polls": 1, "queries": 1, "recovered": 1, "duplicated": 0, "missed_by_broadcast": 1, "timeouts": 0, "stops_on_notify": 0, "scenes": ["sc_ac1_1790062129"], "interval": 3.0, "timeout": 10.0}
 [PASS] AC1.1 轮询间隔常量 = 3.0s  -> 3.0
 [PASS] AC1.2 广播丢失时 found=True（补到漏网事件）
 [PASS] AC1.3 stopped_by=event_matched（非 timeout）  -> event_matched
-[PASS] AC1.4 补漏耗时 ≤ SLO 3000ms + 500ms 调度容差（1 个轮询周期内）  -> 3000.6ms <= 3500.0ms
-[PASS] AC1.5 推进后的水位线 >= 事件 created_at  -> 2026-09-22 06:45:39 >= 2026-09-22 06:45:39
+[PASS] AC1.4 补漏耗时 ≤ SLO 3000ms + 500ms 调度容差（1 个轮询周期内）  -> 3000.8ms <= 3500.0ms
+[PASS] AC1.5 推进后的水位线 >= 事件 created_at  -> 2026-09-22 07:28:49 >= 2026-09-22 07:28:49
 
 ==============================================================================
 AC1b 已投递事件不重复补漏（同秒撞秒 + event_uid 去重双保险）
 ==============================================================================
-  第1轮 recovered=1  第2轮 recovered=0（水位线=2026-09-22 06:45:39）
+  第1轮 recovered=1  第2轮 recovered=0（水位线=2026-09-22 07:28:49）
 [PASS] AC1b.1 首轮补到 1 条
 [PASS] AC1b.2 次轮 0 条（水位线+已投递集合去重）
-  同秒新事件 uid=ac1b-91ac6c3b6096a027 created_at=2026-09-22 06:45:39 -> recovered=1 found=True
+  同秒新事件 uid=ac1b-055dac2a8fa8552e created_at=2026-09-22 07:28:49 -> recovered=1 found=True
 [PASS] AC1b.3 同秒新事件仍被补到（>= 水位线 + NOT IN 去重）
 
 ==============================================================================
@@ -36,9 +36,9 @@ AC1c 水位线格式守卫（ISO 格式必须被拒绝，否则静默丢事件
 ==============================================================================
 AC1d 广播正常 → 轮询立即停止（stopped_by=broadcast_received）
 ==============================================================================
-  run()={"polls": 1, "found": false, "stopped_by": "broadcast_received"}  墙钟=200.8ms（远小于 3s 周期）
+  run()={"polls": 1, "found": false, "stopped_by": "broadcast_received"}  墙钟=200.7ms（远小于 3s 周期）
 [PASS] AC1d.1 收到广播后停止
-[PASS] AC1d.2 未走满轮询周期  -> 200.8ms
+[PASS] AC1d.2 未走满轮询周期  -> 200.7ms
 [PASS] AC1d.3 notified 短路后 polls 计数=1  -> 1
 
 ==============================================================================
@@ -49,6 +49,8 @@ AC2 补漏查询 EXPLAIN：必须命中 ix_scene_created，禁止全表扫描
   EXPLAIN QUERY PLAN 原文:
     {"id": 5, "parent": 0, "notused": 0, "detail": "SEARCH pbl_runtime_event USING INDEX ix_scene_created (scene_id=? AND created_at>?)"}
 [PASS] AC2.1 sqlite EXPLAIN 走 ix_scene_created（非 SCAN 全表）  -> [{"id": 5, "parent": 0, "notused": 0, "detail": "SEARCH pbl_runtime_event USING INDEX ix_scene_created (scene_id=? AND created_at>?)"}]
+  MySQL pbls@127.0.0.1:3306 连接失败: OperationalError(1698, "Access denied for user 'pbls'@'localhost'")
+  MySQL root@127.0.0.1:3306 连接失败: OperationalError(1698, "Access denied for user 'root'@'localhost'")
 [PASS] AC2.2 MySQL EXPLAIN（本机测试库不可达，已在交付件标注环境受限项）  -> skipped: 10.20.30.41 测试库凭据在本开发机不可用（ERROR 1698 Access denied）
 [PASS] AC2.3 plan_uses_scene_index 能识别 type=ALL 为不合规
 [PASS] AC2.4 plan_uses_scene_index 能识别 key=ix_scene_created 为合规
@@ -57,22 +59,22 @@ AC2 补漏查询 EXPLAIN：必须命中 ix_scene_created，禁止全表扫描
 AC3 端到端时延基准：裁决→write_event_with_state→COMMIT→广播→消费端感知
 ==============================================================================
   样本数 n=200  SLO=1000ms  dialect=sqlite(file=m11b4.sqlite)
-  基准总耗时 0.14s
-  分段 P99: {"write_commit": 0.735, "broadcast_emit": 0.044, "consume_wait": 0.018}
+  基准总耗时 0.16s
+  分段 P99: {"write_commit": 1.154, "broadcast_emit": 0.099, "consume_wait": 0.041}
   瓶颈段  : write_commit
   感知路径: broadcast=200 polling_fallback=0 lost=0
-  广播统计: {"published": 200, "dropped_disabled": 0, "failed": 0, "retried": 0, "direct_publish": 0, "queued": 200, "subscriber_errors": 0, "max_latency_ms": 0.14, "in_flight": 0, "latency_samples": 200, "last_error": null, "enabled": true, "channels": ["in_process"], "p50_latency_ms": 0.077, "p99_latency_ms": 0.101}
-  P50=0.651ms  P90=0.700ms  P99=0.752ms  max=0.934ms
+  广播统计: {"published": 200, "dropped_disabled": 0, "failed": 0, "retried": 0, "direct_publish": 0, "queued": 200, "subscriber_errors": 0, "max_latency_ms": 0.677, "in_flight": 0, "latency_samples": 200, "last_error": null, "enabled": true, "channels": ["in_process"], "p50_latency_ms": 0.091, "p99_latency_ms": 0.157}
+  P50=0.712ms  P90=0.807ms  P99=1.234ms  max=1.622ms
   裁决    : PASS
 [PASS] AC3.1 全部样本被感知（无丢失）  -> lost=0
 [PASS] AC3.2 感知全部走广播（兜底未介入正常链路）  -> 200/200
-[PASS] AC3.3 P99 ≤ 1000ms  -> P99=0.752ms
+[PASS] AC3.3 P99 ≤ 1000ms  -> P99=1.234ms
 
 ==============================================================================
 AC3b 广播丢失时的时延归入 polling_fallback（>1s 是设计使然，单独统计）
 ==============================================================================
   兜底计数器: {"polls": 1, "queries": 1, "recovered": 1, "duplicated": 0, "missed_by_broadcast": 1, "timeouts": 0, "stops_on_notify": 0, "scenes": ["sc_x_lost"], "interval": 0.2, "timeout": 5.0}
-  样本: {"scene_id": "sc_x_lost", "event_id": "21b5e89192ea46b1b753182e1bae6810", "t_write_ms": 0.721, "t_broadcast_emit_ms": 0.005, "t_consume_ms": 251.23, "e2e_ms": 251.951, "via": "polling_fallback", "perceived": true}
+  样本: {"scene_id": "sc_x_lost", "event_id": "fb61f49759d349e592a99aa67393a2a1", "t_write_ms": 0.773, "t_broadcast_emit_ms": 0.005, "t_consume_ms": 251.141, "e2e_ms": 251.914, "via": "polling_fallback", "perceived": true}
 [PASS] AC3b.1 广播丢失时经轮询兜底仍被感知
 [PASS] AC3b.2 报告把它与广播路径分开统计（不混入 P99 判定）
 [PASS] AC3b.3 兜底确实发起了补漏查询（polls>=1 且 recovered>=1）  -> polls=1 recovered=1
@@ -130,7 +132,7 @@ AC5 对外门面可调用性（防漏注册导致 NameError）
   OK   AC5.4 fallback_stats 返回计数快照
 
   31/31 通过
-  时延报告: P50=0.651ms P90=0.700ms P99=0.752ms max=0.934ms verdict=PASS
+  时延报告: P50=0.712ms P90=0.807ms P99=1.234ms max=1.622ms verdict=PASS
   报告 JSON 落盘: /d/pipeline/workspaces/0/sdlc_general/modules/world_sync/scripts/m11b4_latency_report.json
 
   RESULT: PASS  FAILURES=0